The Aquarian Audio is a high-performance hydrophone that offers exceptional versatility in a wide range of applications.
You CAN even use it as a contact microphone in free air: The Aquarian hydrophone system also works exceptionally well as a contact microphone by simply attaching the hydrophone (with a special adapter) to the media.
Compact (4.5mm OD) Low-noise cable with tough urethane jacket 3 m length.
Phantom power 48V.